CN218047981U - Device for removing suction head of liquid transfer pump - Google Patents
Device for removing suction head of liquid transfer pump Download PDFInfo
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- CN218047981U CN218047981U CN202221706131.8U CN202221706131U CN218047981U CN 218047981 U CN218047981 U CN 218047981U CN 202221706131 U CN202221706131 U CN 202221706131U CN 218047981 U CN218047981 U CN 218047981U
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Abstract
The utility model relates to a device for pipetting pump takes off suction head relates to the ration and moves the liquid field. The device comprises a plunger device, a suction head taking and releasing device and a driving device, wherein the suction head taking and releasing device is sleeved outside a piston cylinder body and can axially slide along the piston cylinder body, and is provided with a suction head taking state position and a suction head releasing state position; when the suction head taking-off device is located at the suction head taking-off state position, the suction head taking-off device is sleeved outside the suction head adapting head and occupies the suction head mounting position in an extruding mode to take off the suction head. The device can realize automatic suction head removal.
Description
Technical Field
The utility model relates to a ration moves the liquid field, especially relates to a device that is used for moving liquid pump to take off suction head.
Background
With the rapid development of science and technology, the liquid transfer work of laboratories such as biology, chemistry, environment, medicine research and development, food and the like, and units such as hospitals, disease control, blood stations and the like is becoming routine, and in the face of more complicated research objects and increasing sample quantity, an automatic liquid transfer system (or a liquid transfer workstation) in the market becomes increasingly popular, wherein a plunger liquid transfer pump is a basic component of the liquid transfer workstation.
The plunger liquid-transferring pump in the prior art has the problem that the full-automatic suction head removal of the liquid-transferring pump cannot be realized temporarily in use.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the utility model provides a device for move liquid pump takes off suction head, the device can realize automatic suction head that takes off.
In order to achieve the above object, the utility model provides a device for liquid-transfering pump takes off suction head, include:
the plunger device comprises a piston cylinder body, a piston assembly and a suction head adapter, wherein a piston channel is formed on the inner wall of the piston cylinder body, the piston assembly is slidably arranged in the piston cylinder body, and the piston cylinder body is connected with the suction head adapter; the piston assembly comprises a piston rod and a piston head assembly, the piston head assembly is arranged at the end part of the piston rod, and the suction head adapter is used for being connected with a suction head;
the suction head taking and releasing device is sleeved outside the piston cylinder body, can axially slide along the piston cylinder body, and is provided with a suction head taking state position and a suction head releasing state position; when the suction head taking and taking-off device is located at the suction head taking-off state position, the suction head taking and taking-off device is sleeved outside the suction head adapting head and occupies the suction head mounting position in a squeezing mode to take off the suction head; and
and the driving device drives the piston assembly to reciprocate along the piston channel and drives the suction head taking-off device to reciprocate along the piston cylinder body.
Through foretell suction head gets and takes off device, can make the liquid-transfering pump realize full-automatic desorption suction head.
In one embodiment, the driving device includes: the power device drives the screw rod to rotate so as to drive the screw rod nut to do reciprocating motion, and the screw rod nut drives the piston rod through the screw rod nut support, so that the piston assembly is driven to do reciprocating motion in the piston channel.
Adopt above-mentioned design, can be through the rotary motion with the lead screw change lead screw nut reciprocating motion in vertical direction into, and then drive piston assembly and carry out reciprocating motion.
In one embodiment, the suction head taking-off device comprises a suction head sliding block, a suction head casing and a suction head taking-off driving rod, one end of the suction head taking-off driving rod is connected with the suction head sliding block, the other end of the suction head taking-off driving rod is connected with the suction head casing, and the suction head casing is sleeved outside the piston cylinder; the suction head sliding block is sleeved on the screw rod, is positioned at the lower end of the screw rod nut bracket and can be pushed by the screw rod nut bracket to move downwards.
By adopting the design, when the screw rod nut moves downwards, the piston assembly is driven to move downwards, liquid in the suction head is emptied, and the suction head sliding block can be pushed by the abutting part, so that the suction head casing is driven to move downwards, and the liquid transfer pump starts to remove the suction head.
In one embodiment, the device for pipetting pump off a pipette tip further comprises a control device which controls the pipette tip taking off device to reciprocate along the piston cylinder.
In one embodiment, the suction head taking-off device further comprises a judging optocoupler, an elastic piece and a judging light blocking piece, wherein the judging light blocking piece is fixed on the suction head sliding block and is matched with the judging optocoupler in position; one end of the suction head removing driving rod penetrates through a mounting hole in a liquid transfer pump shell to be connected with the suction head sliding block, the other end of the suction head removing driving rod is positioned outside the shell and connected with the suction head shell, one end of the elastic piece abuts against the suction head removing driving rod, and the other end of the elastic piece abuts against the shell of the liquid transfer pump, so that the suction head removing driving rod has the tendency of moving towards the suction head shell; judge that the piece in light is followed reciprocating of suction head slider has the judgement opto-coupler printing opacity state position and judges the opto-coupler state position in light, works as judge that the piece in light is located judge opto-coupler printing opacity state position, take off the suction head actuating lever and receive the effect of elastic component moves down, and drives the suction head slider moves down to support to lean on in the casing makes the judgement piece in light is kept away from judge the opto-coupler, works as judge that the piece in light is located when judging the opto-coupler state position in light, the suction head cover shell is taken up the position and is shifted up and expose suction head adaptation head, transmission extremely take off the suction head actuating lever suction head slider and the piece in light of judgement all shift up, make it shelters from to judge the piece in light judge the opto-coupler.
By adopting the design, after the suction head adaptive head takes the suction head, the suction head pushes the suction head casing upwards to enable the suction head casing to be occupied and move upwards, and then the suction head casing is transmitted to the suction head removing driving rod, the suction head sliding block and the judgment light blocking sheet, so that the rear 3 persons move upwards, the judgment light blocking sheet shields the judgment optocoupler, the light blocking state position of the judgment optocoupler is reached, a signal is triggered, and finally the pipetting pump judges that the suction head is taken; moreover, in the subsequent suction head removing step, the elastic piece with the design can push the suction head removing driving rod downwards until the suction head removing driving rod drives the suction head sliding block to the limiting surface in the object, so that the suction head sliding block is abutted against the shell, and if the suction head sliding block is not compressed by external force subsequently, the suction head sliding block is kept in the state.
In one embodiment, the suction head taking-off device further comprises a reset optical coupler and a reset light blocking piece, the reset light blocking piece is fixed on the screw rod nut bracket and is matched with the reset optical coupler in position, and the reset optical coupler is positioned above the judgment optical coupler; reset the light barrier and follow reciprocating of screw-nut support and have reset opto-coupler printing opacity state position, reset opto-coupler state position and the two opto-couplers state position that is in the light, work as reset the light barrier and be located reset opto-coupler printing opacity state position, reset the light barrier and be located reset opto-coupler top works as reset the light barrier and be located reset the opto-coupler state position that is in the light, reset the light barrier and shelter from reset the opto-coupler and be located judge the opto-coupler top, work as reset the light barrier and be located two opto-couplers state position that is in the light, reset the light barrier and shelter from simultaneously reset the opto-coupler and judge the opto-coupler.
Above-mentioned design makes the liquid-transfering pump in the in-process of taking off the suction head, screw-nut moves down, drive screw-nut support downstream, make the piece that blocks light that resets become the opto-coupler state position that blocks light that resets by the opto-coupler printing opacity state position that resets, triggering signal, in order to let the liquid-transfering pump judge piston assembly's position, then screw-nut support continues the downstream, make the piece that blocks light that resets become two opto-couplers state positions that blocks light by the opto-coupler state position that blocks light that resets, triggering signal, in order to let the liquid-transfering pump judge piston assembly, the position of suction head this moment of getting off the device is got to the suction head, the lower terminal surface contact suction head slider's of screw-nut support up simultaneously, it pushes away suction head slider downstream to support, it takes off the suction head drive shaft downstream to drive, and then transmission suction head cover downstream, crowd the suction head installation position, with the suction head desorption, finally realize full-automatic desorption.
In one embodiment, the elastic member is a spring, a step surface is arranged on the suction head driving rod, an end surface of a mounting hole is arranged in the mounting hole, one end of the spring abuts against the end surface of the mounting hole, and the other end of the spring abuts against the step surface of the suction head driving rod.
By adopting the design, the driving rod of the suction head removing device can have the trend of moving to the suction head casing by the spring through the light compression state of the spring, so that the suction head casing can be reset under the driving of the driving rod of the suction head removing device in the suction head removing step.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model discloses a device for liquid-transfering pump takes off suction head, the device can realize taking off the suction head automatically.
Drawings
FIG. 1 is a schematic view showing a connection structure between a suction head removing device and a driving device in the embodiment;
FIG. 2 is a sectional view of the liquid displacement pump in the embodiment;
FIG. 3 is a schematic structural diagram of a liquid-transfering pump when the light-blocking sheet is determined to be in the light-transmitting state of the light-coupling determination unit in the embodiment;
FIG. 4 is a schematic structural diagram of a liquid-transfering pump in the embodiment when the resetting light-blocking sheet is in the light-blocking state position of the resetting optical coupler;
FIG. 5 is a schematic structural diagram of the pipette pump when the resetting light-blocking sheet is in the double-optical coupling light-blocking state position in the embodiment;
FIG. 6 is a front view of the fluid displacement pump in an embodiment;
FIG. 7 is a top view of the liquid transfer pump in the embodiment, wherein A is a top view after the metal shell is removed, and B is a top view without the metal shell being removed;
FIG. 8 is a rear view of the fluid displacement pump in an embodiment;
FIG. 9 is a right side view of the fluid displacement pump of the exemplary embodiment;
FIG. 10 is a left side view of the fluid displacement pump of an embodiment;
FIG. 11 is a schematic three-dimensional structure of a liquid displacement pump in an embodiment;
wherein, 1 is the piston cylinder body, 21 is the piston rod, 3 is suction head adaptation head, 5 is the suction head slider, 6 is the suction head cover shell, 7 is taking off the suction head actuating lever, 71 is the step face, 8 is for judging the opto-coupler, 9 is the elastic component, 10 is for judging the light barrier, 11 is the opto-coupler that resets, 12 is the light barrier that resets, 18 is power device, 19 is the lead screw, 20 is screw-nut, 22 is the casing, 23 is the mounting hole, 24 is the mounting hole terminal surface, 25 is the suction head, 26 is the screw-nut support.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "coupled" to another element, it can be directly coupled to the other element or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
Examples
1. A device for removing a suction head of a liquid transfer pump.
The device comprises a plunger device, a suction head taking-off device, a driving device and a control device.
Plunger device, including piston cylinder body 1, piston assembly, suction head adapter 3, the inner wall of piston cylinder body 1 forms the piston passageway, and piston assembly slidable mounting is in piston cylinder body 1, and piston cylinder body 1 is connected with suction head adapter 3, and suction head adapter 3 is used for being connected with suction head 25.
A drive device, comprising: the power device 18 drives the screw rod 19 to rotate and drives the screw rod nut 20 to reciprocate, and the screw rod nut 20 drives the piston rod 21 through the screw rod nut support 26, so that the piston assembly is driven to reciprocate in the piston channel; meanwhile, the feed screw nut bracket 26 drives the suction head taking-off device to reciprocate along the piston cylinder 1 by pushing the suction head slide block 5.
The suction head taking and releasing device is sleeved outside the piston cylinder 1, can slide along the axial direction of the piston cylinder 1, and has a suction head taking state position and a suction head releasing state position, and when the suction head taking and releasing device is located at the suction head taking state position, the suction head adapting head 3 is connected with the suction head 25, so that the suction head 25 is located at the suction head installation position; when the suction head taking and releasing device is located at the suction head releasing state position, the suction head taking and releasing device is sleeved outside the suction head adapting head 3 to occupy the suction head mounting position in an extruding mode, and the suction head 25 is removed.
The suction head taking and removing device comprises a suction head sliding block 5, a suction head casing 6, a suction head removing driving rod 7, a judging optocoupler 8, an elastic piece 9, a judging light blocking sheet 10, a resetting optocoupler 11 and a resetting light blocking sheet 12. One end of a suction head removing driving rod 7 is connected with the suction head slide block 5, the other end is connected with a suction head casing 6, and the suction head casing 6 is sleeved outside the piston cylinder body 1; the suction head sliding block 5 is sleeved on the screw rod 19, is positioned at the lower end of the screw rod nut bracket 26 and can move downwards under the pushing of the screw rod nut bracket 26, and the schematic diagram of the connection structure of the suction head taking-off device and the driving device is shown in figure 1; the judgment light blocking sheet 10 is fixed on the suction head slide block 5 and is matched with the judgment optocoupler 8 in position; one end of the suction head removal driving rod 7 passes through a mounting hole 23 arranged on a pipetting pump shell 22 to be connected with the suction head slide block 5, the other end of the suction head removal driving rod is positioned outside the shell 22 and connected with the suction head casing 6, one end of the elastic piece 9 abuts against the suction head removal driving rod 7, and the other end of the elastic piece abuts against the shell 22 of the pipetting pump, so that the suction head removal driving rod 7 has the tendency of moving towards the suction head casing 6; in this embodiment, the elastic element 9 is a spring, the desorption head drive rod 7 is provided with a step surface 71, the mounting hole 23 is provided with a mounting hole end surface 24, one end of the spring abuts against the end surface of the mounting hole 23, and the other end of the spring abuts against the step surface 71 of the desorption head drive rod 7, as shown in fig. 2. When the judgment light blocking piece 10 is located at the judgment optocoupler light transmission state position, as shown in fig. 3, the suction head removal driving rod 7 moves downwards under the action of the elastic piece 9 and drives the suction head sliding block 5 to move downwards to abut against the shell 22, so that the judgment light blocking piece 10 is far away from the judgment optocoupler 8; when the judgment light blocking piece 10 is located at the light blocking state position of the judgment optocoupler, the suction head casing 6 is occupied and moved upwards to expose the suction head adaptive head 3, and the suction head adaptive head is transmitted to the suction head removal driving rod 7, the suction head sliding block 5 and the judgment light blocking piece 10 to move upwards, so that the judgment light blocking piece 10 blocks the judgment optocoupler 8. The reset light blocking sheet 12 is fixed on the screw rod nut bracket 26 and is matched with the reset optocoupler 11 in position, and the reset optocoupler 11 is positioned above the judging optocoupler 8; reset light blocking piece 12 has reset opto-coupler printing opacity state position along with reciprocating of screw-nut support 26, reset opto-coupler is in the light state position and the double optical coupling state position that is in the light, be located reset opto-coupler printing opacity state position when resetting light blocking piece 12, reset light blocking piece 12 is located reset opto-coupler 11 top, be located reset opto-coupler is in the light state position when resetting light blocking piece 12, as shown in fig. 4, reset light blocking piece 12 shelters from reset opto-coupler 11 and is located and judges the opto-coupler 8 top, be located double optical coupling state position when resetting light blocking piece 12, as shown in fig. 5, reset light blocking piece 12 shelters from reset opto-coupler 11 and judges opto-coupler 8 simultaneously.
The front view of the pipetting pump using the pipetting device for pipetting pump is shown in fig. 6, the top view is shown in fig. 7, wherein a is a top view after the metal shell is removed, B is a top view without the metal shell being removed, the rear view is shown in fig. 8, the right side view is shown in fig. 9, the left side view is shown in fig. 10, the three-dimensional structure of the pipetting pump is shown in fig. 11, and the sectional view of the pipetting pump is shown in fig. 2.
2. A method for taking out and taking off a pipette tip of a liquid transfer pump.
The method comprises the following steps:
1. a first judgment step: before the suction head adaptive head 3 extrudes the suction head 25, the light blocking sheet 10 is judged to be far away from the judgment optocoupler 8, the suction head removal driving rod 7 is moved downwards under the action of the elastic piece 9, and the suction head sliding block 5 is driven to move downwards to abut against the shell 22, so that the light blocking sheet 10 is judged to be located at the light transmission state position of the judgment optocoupler, the suction head 25 is judged to be empty, and then the suction head taking step is carried out.
2. Taking a suction head: and controlling the liquid transfer pump to be close to the sucker 25, enabling the liquid transfer pump to extrude the sucker 25, enabling the sucker 25 to be extruded to be positioned at the sucker mounting position and connected with the sucker adapter 3, and enabling the sucker 25 to upwards push the sucker taking and taking-off device to be positioned at the sucker taking state position.
3. A second judgment step: after the suction head 25 upwards supports and pushes the suction head to take off the device, the suction head sliding block 5 in the suction head taking off device upwards moves to drive the judgment light blocking piece 10 fixed on the suction head sliding block 5 to upwards move, so that the judgment light blocking piece 10 blocks the judgment optocoupler 8, the judgment light blocking piece 10 is located at the judgment optocoupler light blocking state position, the suction head taking off device is located at the suction head taking state position, the suction head 25 is occupied, and then the liquid level detection step is carried out.
4. Liquid suction: the liquid transfer pump is controlled to move above the solution to be sampled, the liquid transfer pump is made to move downwards, the control device controls the driving device, the driving device drives the piston assembly to move upwards along the piston channel, the piston rod 21 drives the piston assembly to move upwards, pressure difference is formed between the inside and the outside of the suction head 25, and the solution to be sampled is sucked.
5. Liquid drainage: the liquid transfer pump is controlled to move to the position above the solution to be drained, the control device controls the driving device, the driving device drives the piston assembly to move downwards along the piston channel, and the piston rod 21 drives the piston head assembly to move downwards to drain the liquid in the suction head 25.
6. Removing the suction head: before the suction head taking-off device is controlled to move downwards along the piston cylinder 1, the resetting light blocking piece 12 is located at a light-transmitting state position of the resetting optocoupler, the screw nut 20 in the driving device is controlled to move downwards, the resetting light blocking piece 12 moves downwards along with the screw nut bracket 26, the resetting light blocking piece 12 shields the resetting optocoupler 11 and is located above the judging optocoupler 8, and the resetting light blocking piece 12 is located at a light-blocking state position of the resetting optocoupler; the feed screw nut 20 is controlled to continue moving downwards, the reset light blocking piece 12 simultaneously blocks the reset optical coupler 11 and the judgment optical coupler 8, at the moment, the reset light blocking piece 12 is located at the double optical coupling light blocking state position, the feed screw nut support 26 supports and pushes the suction head slide block 5 to move downwards, the suction head slide block 5 drives the suction head casing 6 through the suction head removing drive rod 7, the suction head casing 6 is made to move downwards, the suction head taking and removing device is controlled to move downwards along the piston cylinder body 1, the suction head taking and removing device is located at the suction head removing state position and occupies the suction head installation position in an extruding mode, and the suction head 25 is removed.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the concept of the present invention, several variations and modifications can be made, which all fall within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (7)
1. An apparatus for pipetting a pipette tip, comprising:
the plunger device comprises a piston cylinder body, a piston assembly and a suction head adapter, wherein a piston channel is formed on the inner wall of the piston cylinder body, the piston assembly is slidably arranged in the piston cylinder body, and the piston cylinder body is connected with the suction head adapter; the piston assembly comprises a piston rod and a piston head assembly, the piston head assembly is mounted at the end of the piston rod, and the suction head adapter is used for being connected with a suction head;
the suction head taking and releasing device is sleeved outside the piston cylinder body, can axially slide along the piston cylinder body and is provided with a suction head taking state position and a suction head releasing state position, and when the suction head taking and releasing device is located at the suction head taking state position, the suction head adaptive head is connected with the suction head so that the suction head is located at a suction head installation position; when the suction head taking and taking-off device is located at the suction head taking-off state position, the suction head taking and taking-off device is sleeved outside the suction head adapting head and occupies the suction head mounting position in a squeezing mode to take off the suction head; and
and the driving device drives the piston assembly to reciprocate along the piston channel and drives the suction head taking-off device to reciprocate along the piston cylinder body.
2. The apparatus of claim 1, wherein the drive means comprises: the power device drives the screw rod to rotate so as to drive the screw rod nut to do reciprocating motion, and the screw rod nut drives the piston rod through the screw rod nut support, so that the piston assembly is driven to do reciprocating motion in the piston channel.
3. The device of claim 2, wherein the suction head removing device comprises a suction head slider, a suction head casing and a suction head removing driving rod, one end of the suction head removing driving rod is connected with the suction head slider, the other end of the suction head removing driving rod is connected with the suction head casing, and the suction head casing is sleeved outside the piston cylinder; the suction head sliding block is sleeved on the screw rod, is positioned at the lower end of the screw rod nut bracket and can be pushed by the screw rod nut bracket to move downwards.
4. The apparatus of claim 3, wherein said means for pipetting pump to remove pipette tips further comprises a control device that controls said tip removing device to reciprocate along said piston cylinder.
5. The device as claimed in claim 4, wherein the suction head removing device further comprises a judging optocoupler, an elastic member and a judging light barrier, and the judging light barrier is fixed on the suction head sliding block and matched with the judging optocoupler in position; one end of the suction head removing driving rod penetrates through a mounting hole in a liquid transfer pump shell to be connected with the suction head sliding block, the other end of the suction head removing driving rod is positioned outside the shell and connected with the suction head shell, one end of the elastic piece abuts against the suction head removing driving rod, and the other end of the elastic piece abuts against the shell of the liquid transfer pump, so that the suction head removing driving rod has the tendency of moving towards the suction head shell; judge that the piece in light is followed reciprocating of suction head slider has the judgement opto-coupler printing opacity state position and judges the opto-coupler state position in light, works as judge that the piece in light is located judge opto-coupler printing opacity state position, take off the suction head actuating lever and receive the effect of elastic component moves down, and drives the suction head slider moves down to support to lean on in the casing makes the judgement piece in light is kept away from judge the opto-coupler, works as judge that the piece in light is located when judging the opto-coupler state position in light, the suction head cover shell is taken up the position and is shifted up and expose suction head adaptation head, transmission extremely take off the suction head actuating lever suction head slider and the piece in light of judgement all shift up, make it shelters from to judge the piece in light judge the opto-coupler.
6. The device according to claim 5, wherein the suction head removing device further comprises a reset optical coupler and a reset light blocking piece, the reset light blocking piece is fixed on the screw rod nut bracket and is matched with the reset optical coupler in position, and the reset optical coupler is positioned above the judging optical coupler; reset the piece that is in the light is followed reciprocating of screw-nut support has the opto-coupler printing opacity state position that resets, the opto-coupler that resets is in the light state position and the two opto-couplers state position that is in the light, works as reset the piece that is in the light and is located the opto-coupler printing opacity state position that resets, reset the piece that is in the light and be located the opto-coupler that resets top, work as reset the piece that is in the light and be located reset the opto-coupler and be in the opto-coupler top, work as reset the piece that is in the light and be located two opto-couplers state position that is in the light, reset the piece that is in the light and shelter from simultaneously reset the opto-coupler and judge the opto-coupler.
7. The device of claim 5, wherein the elastic member is a spring, the driving rod of the desorption head is provided with a step surface, the mounting hole is internally provided with a mounting hole end surface, one end of the spring abuts against the mounting hole end surface, and the other end of the spring abuts against the step surface of the driving rod of the desorption head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221706131.8U CN218047981U (en) | 2022-07-04 | 2022-07-04 | Device for removing suction head of liquid transfer pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221706131.8U CN218047981U (en) | 2022-07-04 | 2022-07-04 | Device for removing suction head of liquid transfer pump |
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| Publication Number | Publication Date |
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| CN218047981U true CN218047981U (en) | 2022-12-16 |
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| CN202221706131.8U Active CN218047981U (en) | 2022-07-04 | 2022-07-04 | Device for removing suction head of liquid transfer pump |
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| CN (1) | CN218047981U (en) |
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- 2022-07-04 CN CN202221706131.8U patent/CN218047981U/en active Active
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Effective date of registration: 20230922 Address after: Room 301, G10, South China new material innovation park, building 3, No. 31, Kefeng Road, Guangzhou hi tech Industrial Development Zone, Guangdong 510130 Patentee after: Guangzhou Weiyuan Medical Equipment Co.,Ltd. Patentee after: GUANGZHOU VISION GENE TECHNOLOGY Co.,Ltd. Patentee after: Guangzhou Weiyuan medical laboratory Co.,Ltd. Patentee after: Shenzhen Weiyuan Medical Technology Co.,Ltd. Patentee after: Beijing Weiyuan Medical Laboratory Co.,Ltd. Address before: Room 301, G10, South China new material innovation park, building 3, No. 31, Kefeng Road, Guangzhou hi tech Industrial Development Zone, Guangdong 510130 Patentee before: Guangzhou Weiyuan Medical Equipment Co.,Ltd. Patentee before: GUANGZHOU VISION GENE TECHNOLOGY Co.,Ltd. Patentee before: Guangzhou Weiyuan medical laboratory Co.,Ltd. Patentee before: Shenzhen Weiyuan Medical Technology Co.,Ltd. Patentee before: Weiyuan (Shenzhen) Medical Research Center Co.,Ltd. Patentee before: Nanjing Weiyuan Medical Laboratory Co.,Ltd. Patentee before: Beijing Weiyuan Medical Laboratory Co.,Ltd. |
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